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45 Cards in this Set
- Front
- Back
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Scientific Method
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OHPTMT;
observe, Hypothesize, predict, test, modify, theorize |
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Latitude
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East, west
Parallels |
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Longitude
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North, south
Meridians |
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Prime maridian
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Greenwhich, England
Longitude |
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1 degree
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60 minutes
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Length of a degree of longitude
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Degree varies in length at different latitudes.
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Coordinaed
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a degree in North or south and one east and west.
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Topography
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The shape of the land
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National Geodetic Vertical Datum of 1929
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Average sea level as of 1929
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A countour line
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Represented by a dotted line
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Contour Lines
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shown on topigraphic maps, never touch or branch and are always closed. a 100 ft countour line is 20 ft higher in elevation than a 80ft line.
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The steeper the slope
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the closer the lines
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Vernal Equionox
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march 21
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winter solstice
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Dec 22
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Automnal Equinox
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Sept 22
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Summer solstice
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June 21
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Circle of illumination
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The part of the earth that is illuminated by the sun.
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Vertical migration
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23.5 N
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Tropic of Cancer
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23.5 N
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Tropic of Capricorn
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23.5 S
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North Pole
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9 N
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South Pole
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9 S
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Artic circle
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66 1/2 N
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Insolation
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Incoming Solar Radiation
the sunlight or radiant energy from the sun |
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Albedo
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The reflectivity of a material. A mirror has a high albedo.
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Absorption
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solar energy that is absorbed. The absorption of energy heats up the material
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Gradient
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rate of change by some variable through time
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What factors can affect the amout of solar radiation reaching the surface of a weather station
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Cloud cover, forest fires, Greenhouse factors.
Latitude |
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Winter gradiant
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more dramatic than the summer
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Albedo
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Fresh snow and water have the highest
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Thermometer
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An instoment for measuring temperature
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Baromter
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measuring atmospheric temperature
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Anemometer
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Wind speed
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Dew point temperature
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Temp at which the air is saturated with moisture
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Windspeed
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Knots or MPH
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Cold front
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blue
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Warm front
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Red
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Isobars
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In millibars (wavy lines) black
lines of equal pressure |
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Isotherms
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White solid line
lines of equal temperature |
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Cotour Lines
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Black
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Contour Interval
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Vertical spacing between countour lines
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Earths tilt
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23.5
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the vertical sun migration from june 21 to december 21
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47
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Solar radiation reaching a surface weather station is affected by
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latitude
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Near the poles there is a high percentage of solar radiation is affected by
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reflected
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